Power storage system
a power storage system and secondary battery technology, applied in secondary cells, battery servicing/maintenance, cell components, etc., can solve the problems of volumetric efficiency, volumetric increase, volumetric increase, etc., and achieve high capacity, long life, and high capacity
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embodiment 1
[0034]In this embodiment, a power storage device of one embodiment of the present invention will be described with reference to FIGS. 1A and 1B.
[0035]A building 100 illustrated in FIG. 1A includes a base 102, a floor 103, an exterior wall 104, a space 105, and an underfloor space 106. A power storage device 101 (also referred to as an electronic device) of one embodiment of the present invention is placed in the underfloor space 106, which is surrounded by the base 102 and the floor 103 of the building 100.
[0036]As illustrated in FIG. 1B, the underfloor space 106 is partitioned by the bases 102 in the building 100. The inside of the building 100 is partitioned by an interior wall 107. The power storage device 101 is placed in the underfloor space 106. In the case where there are a plurality of underfloor spaces 106 partitioned by the bases 102, the power storage device 101 can be placed in each of the underfloor spaces 106.
[0037]The power storage device 101 of one embodiment of the ...
embodiment 2
[0058]In this embodiment, the operation principle of a lithium-ion secondary battery will be described and then a mechanism of product formation on an electrode surface of a battery cell and a mechanism of product dissolution will be described.
[0059]First, the operation principle of the lithium-ion secondary battery will be described with reference to FIGS. 2A and 2B, FIGS. 3A and 3B, and FIG. 4.
[0060]FIGS. 2A and 2B show the case of charging the lithium-ion secondary battery, and FIGS. 3A and 3B show the case of discharging the lithium-ion secondary battery. As illustrated in FIG. 2A and FIG. 3A, when the battery is regarded as a closed circuit, lithium ions transfer and a current flows in the same direction. Further, in the lithium-ion secondary battery, an anode and a cathode change places in charge and discharge, and an oxidation reaction and a reduction reaction occur on the corresponding sides; hence, an electrode with a high redox potential is called a positive electrode and ...
embodiment 3
[0116]In this embodiment, a power storage system and a power storage device of one embodiment of the present invention will be described with reference to FIG. 8, FIGS. 9A to 9C, and FIG. 10.
[0117]First, a power storage system of one embodiment of the present invention will be described with reference to FIG. 8, and then, a power storage device of one embodiment of the present invention will be described with reference to FIG. 10.
[0118]FIG. 8 illustrates an example of a power storage system 500 of one embodiment of the present invention. As illustrated in FIG. 8, the power storage device 101 of one embodiment of the present invention is provided in the underfloor space 106 of the building 100.
[0119]The power storage device 101 is provided with a control device 110, and the control device 110 is electrically connected, via wirings, to a distribution board 503, a power storage controller (also referred to as a control device) 505, an indicator 506, and a router 509.
[0120]Power is supp...
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Abstract
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